[PATCH 2/4] mac80211: send channel switch started notifications

[Luca Coelho <luca@coelho.fi>]

From: Luciano Coelho <luciano.coelho@intel.com>

Send a channel switch notification to userspace when a channel switch
is requested or when we react to a remote CSA.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
---
 net/mac80211/cfg.c  | 2 ++
 net/mac80211/mlme.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 7b8d3cf..53a2cfe 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3281,6 +3281,8 @@ int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
 	sdata->csa_chandef = params->chandef;
 	sdata->vif.csa_active = true;
 
+	cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef);
+
 	if (changed) {
 		ieee80211_bss_info_change_notify(sdata, changed);
 		drv_channel_switch_beacon(sdata, &params->chandef);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 488826f..139005d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1107,6 +1107,8 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
 				IEEE80211_MAX_QUEUE_MAP,
 				IEEE80211_QUEUE_STOP_REASON_CSA);
 
+	cfg80211_ch_switch_started_notify(sdata->dev, &csa_ie.chandef);
+
 	if (local->ops->channel_switch) {
 		/* use driver's channel switch callback */
 		struct ieee80211_channel_switch ch_switch = {
-- 
1.9.2